Finding the Third Proportional to 5,365,656 and 8,117,856

Step by Step Solution

1. Step 1: Write the proportion equation
   5,365,656 : 8,117,856 = 8,117,856 : x
2. Step 2: Convert to fraction form
   5,365,656/8,117,856 = 8,117,856/x
3. Step 3: Cross multiply
   5,365,656x = 8,117,856 × 8,117,856
4. Step 4: Simplify right side
   5,365,656x = 65,899,586,036,736
5. Step 5: Solve for x
   x = 65,899,586,036,736/5,365,656
6. Step 6: Final answer
   x = 12,281,738.90